Finding the Fourth Proportional to 207,122.24, 310,736.82 and 94,748.78
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Solution
The fourth proportional to 207,122.24, 310,736.82 and 94,748.78 is: 142,147.63
Step by Step Solution
- Step 1: Write the proportion equation
207,122.24 : 310,736.82 = 94,748.78 : x - Step 2: Convert to fraction form
207,122.24/310,736.82 = 94,748.78/x - Step 3: Cross multiply
207,122.24x = 310,736.82 × 94,748.78 - Step 4: Simplify right side
207,122.24x = 29,441,934,596.08 - Step 5: Solve for x
x = 29,441,934,596.08/207,122.24 - Step 6: Final answer
x = 142,147.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.